Patents Examined by Christopher R Legendre
  • Patent number: 10167077
    Abstract: A dome for a rotor comprising a cap extending radially from an axis of rotation in elevation towards a periphery and in azimuth over 360 degrees, the cap extending in thickness from a bottom face towards a top face above the bottom face. The dome includes at least one slot extending between the periphery and the axis of rotation in elevation, each slot passing right through a thickness of the cap by extending in elevation from the bottom face to the top face.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: January 1, 2019
    Assignee: AIRBUS HELICOPTERS
    Inventors: David Alfano, Damien Desvigne, Raphael Fukari
  • Patent number: 10167085
    Abstract: An aircraft anti-icing system includes an inlet lip that includes an outer shell attached to a bulkhead. The inlet lip encloses an annular housing volume. The system further includes one or more vanes extending from the bulkhead into the annular housing volume. Each vane of the one or more vanes includes a first end coupled to the bulkhead, a free end extending into the annular housing volume, and a vane body extending therebetween. The one or more vanes are positioned downstream from a nozzle configured to direct a high temperature gas stream into the annular housing volume in a first direction. The one or more vanes are configured to redirect the high temperature gas stream through a first turn angle from the first direction to a second direction. The second direction is configured to reduce a direct impingement of the high temperature gas stream on an inner surface of the inlet lip.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: January 1, 2019
    Assignee: General Electric Company
    Inventors: Clark George Wiberg, Shiladitya Mukherjee
  • Patent number: 10167734
    Abstract: A seal support and duct assembly of a gas turbine engine includes a seal support housing disposed about a central axis, a duct housing attached to the seal support housing, the duct housing and the seal support housing defining the seal support and duct assembly, an outer annular cavity, an inlet that supplies the outer annular cavity with cooling buffer air, an inner annular cavity disposed radially inward of the outer annular cavity, a first plurality of outlets that provide the cooling buffer air from the outer annular cavity to the inner annular cavity, and a second plurality of outlets that provide the cooling buffer air from the inner annular cavity to an area surrounding a bearing compartment.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: January 1, 2019
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Masayoshi Sonokawa, Russell B. Witlicki, Christopher J. Larson, Robert C. Stutz, Eric Charles Mundell, Marc J. Muldoon
  • Patent number: 10131425
    Abstract: A non-ducted tail rotor comprising a hub and at least five blades, each of the blades extending to a free end that, in rotation, describes a circle presenting a given “maximum” radius. The hub is rigidly secured to a drive shaft, the hub comprising a hollow circular body centered on an axis of rotation, the body presenting an “internal” radius between the axis of rotation and an outer periphery of the body, the internal radius lying in the range 0.2 times to 0.4 times the maximum radius, each blade presenting a root extended by an airfoil element projecting from the body, extending from the root to the free end, the root being swivel-hinged to the outer periphery about a pitch axis.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: November 20, 2018
    Assignee: AIRBUS HELICOPTERS
    Inventor: Bernard Certain
  • Patent number: 10125684
    Abstract: A gas turbine engine has a surface cooler having a cooler member defining a fluid passage and at least partially contained in an airfoil shaped flow guide member. The cooler member is disposed within a bypass duct and supported on one of the duct walls. The flow guide member provides a smooth outer surface to guide a main portion of a bypass air stream passing over the surface cooler, and defines an inner air channel between the flow guide member and that supporting one of the duct walls for a secondary portion of the bypass air stream to pass through the inner air channel.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: November 13, 2018
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventor: Hong Yu
  • Patent number: 10119409
    Abstract: A system, including: a linear actuator axially arranged in a first propeller and rotatably secured thereto, a first linking mechanism connecting a rod of the linear actuator to a second propeller to change a setting of blades thereof, and including an intermediate bearing between the propellers, which is capable of transmitting translation of the rod of the linear actuator and disconnecting a rotatable link to the first propeller to make it possible to change the setting of the blades of the second propeller rotated in an opposite direction to the first propeller, and a second linking mechanism combined with blades of the first propeller to change a setting thereof.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: November 6, 2018
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Gilles Alain Charier, Wouter Balk
  • Patent number: 10119471
    Abstract: A turbine engine assembly is provided. The assembly includes a compressor, and an air duct coupled in flow communication with the compressor. The air duct is configured to channel a flow of bleed air from the compressor therethrough. The assembly also includes a fluid supply system coupled in flow communication with the air duct, wherein the fluid supply system is configured to channel a flow of fluid towards the air duct to modify a temperature of the bleed air based on an operating condition of the turbine engine assembly.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: November 6, 2018
    Assignee: General Electric Company
    Inventors: Debabrata Mukhopadhyay, Pugalenthi Nandagopal, James Adaickalasamy
  • Patent number: 10119521
    Abstract: A method of estimating an amount of undesired loading experienced by at least a portion of a structure (100) is provided. The structure (100) may be, for example, a wind turbine generator (WTG) and the portion for which undesired loading is estimated may be, for example, a rotor (130) of the WTG. The method includes receiving a first signal characterizing instantaneous stress experienced by a component (140) of the structure (100) and filtering out at least a portion of the received first signal that corresponds to the desired loading experienced by the component to produce a first filtered signal. The amount of undesired loading experienced by the at least a portion of the structure (100) is estimated based at least partially on the first filtered signal.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: November 6, 2018
    Assignee: VESTAS WIND SYSTEMS A/S
    Inventors: Jesper Sandberg Thomsen, Soren Dalsgaard, Asger Svenning Andersen, Lars Risager
  • Patent number: 10113430
    Abstract: The present invention relates to a blade row group arrangeable in a main flow path of a fluid-flow machine and including N adjacent member blade rows firmly arranged relative to one another in both the meridional direction (m) and the circumferential direction (u), with the number N of the member blade rows being greater than/equal to 2 and (i) designating the running index with values between 1 and N. Here, a front member blade row with front blades (i) having a leading edge and a trailing edge as well as a rear member blade row with rear blades (i+1) having a leading edge and a trailing edge are provided.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: October 30, 2018
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventor: Volker Guemmer
  • Patent number: 10072664
    Abstract: A ram air fan has a fan impeller and a motor. The impeller and motor are mounted within a housing. An inlet header delivers air to an inlet for the fan. An air supply system delivers air from an internal cavity of the inlet header to the motor and air bearings. The air supply system includes a conduit extending through the housing. A connection from the conduit extends from a J-shaped tube mounted within the inlet header. The J-shaped tube extends to a remote end, with a perforated member positioned on the remote end.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: September 11, 2018
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Lucic Milan, Robert Telakowski, Craig M. Beers, John M. Beck, Darryl A. Colson
  • Patent number: 10065732
    Abstract: A blade tracking system including a detector having one or more sensors to detect radiation from at least one field of view of the detector, the one or more sensors generating signals based on changes in incident radiation to the one or more sensors as a rotor blade passes the field of view, and a processor to determine a pass time for the rotor blade to pass through the at least one field of view based on the generated signals.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: September 4, 2018
    Assignee: Technology for Energy Corporation
    Inventors: William Simpkins, John Wilson, David Dorris
  • Patent number: 10066540
    Abstract: A control arrangement (1) of an exhaust-gas turbocharger having a bearing bushing (3); a control shaft (4) which is connected at a first end (5) to a first adjustment lever (6) and which is guided in the bearing bushing (3); and a second adjustment lever (9) which is connected to a second end (8) of the control shaft (4) and which, on a free end region (10), bears a control device (11), wherein the free end region (10) is designed to be cranked in the direction of the first adjustment lever (6).
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: September 4, 2018
    Assignee: BorgWarner Inc.
    Inventors: Ralf Christmann, Raduz Zahoransky
  • Patent number: 10060272
    Abstract: A turbine vane for use in a gas turbine engine is disclosed. The turbine vane includes an inner platform, an outer platform spaced from the inner platform, and an airfoil that extends from the inner platform to the outer platform. The airfoil includes a ceramic-containing web that forms a portion of the airfoil and a metallic load shield that forms another portion of the airfoil.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: August 28, 2018
    Assignee: Rolls-Royce Corporation
    Inventor: Aaron P. Jennings
  • Patent number: 10060436
    Abstract: A progressive vortex pump comprises an inlet housing in contact with the pumped fluid, a pump housing connected to the inlet housing, and an outlet housing connected to the pump housing and connected to a pumping pipe. The pump housing comprises a disc-shaped rotor having a central bore and a rim with vanes. Each rotor comprises at least one through hole along the axial direction, the through hole being positioned between the central bore and the rotor rim. Advantageously, the presence of a through hole on the rotor enables, under operating conditions, fluid exchange from the posterior fluid film to the anterior fluid film, thus promoting a pressure balance between the posterior and anterior fluid films, therefore enabling the rotor to work evenly, preventing rubbing on adjacent diffusers.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: August 28, 2018
    Assignee: HIGRA INDUSTRIAL LTDA
    Inventor: Silvino Geremia
  • Patent number: 10041351
    Abstract: A unit for a turbocharger can include a turbine wheel portion that includes a turbine wheel material and a turbine wheel axis; a shaft portion that includes a shaft material and a shaft axis; a first weld that includes a first average axial position over a first azimuthal span and first weld composition formed of a greater proportion of the turbine wheel material than the shaft material; and a second weld that includes a second average axial position over a second azimuthal span and second weld composition formed of a greater proportion of the turbine wheel material than the shaft material, where a sum of the first azimuthal span and the second azimuthal span is approximately 360 degrees, where the first average axial position differs from the second average axial position, and where the first weld composition differs from the second weld composition.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: August 7, 2018
    Assignee: Honeywell International Inc.
    Inventors: Brent Zollinger, Maurizio Barbone, Didier Horlaville, Andrei Minculescu, Nicolas Vazeille
  • Patent number: 10035582
    Abstract: A propeller blade extending radially between a blade root and a blade tip and having a leading edge and a trailing edge, together with a pressure side face and a suction side face. Along the leading edge, the angle (?) between the radial direction and a tangent to the leading edge passes through a local maximum zmax situated in the range 60% to 80% of the height of the blade. Furthermore, the suction side face of the blade includes an indentation extending axially from the leading edge to the trailing edge and located at a height of the blade between the local maximum zmax and the blade tip.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: July 31, 2018
    Assignee: SNECMA
    Inventors: Jonathan Evert Vlastuin, Clement Marcel Maurice Dejeu
  • Patent number: 10030521
    Abstract: The present invention relates to a blade row group arrangeable in a main flow path of a fluid-flow machine and including N adjacent member blade rows firmly arranged relative to one another in both the meridional direction (m) and the circumferential direction (u), with the number N of the member blade rows being greater than/equal to 2 and (i) designating the running index with values between 1 and N. Here, a front member blade row with front blades (i) having a leading edge VK(i) and a trailing edge HK(i) as well as a rear member blade row with rear blades (i+1) having a leading edge VK(i+1) and a trailing edge HK(i+1) are provided.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: July 24, 2018
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventor: Volker Guemmer
  • Patent number: 10024166
    Abstract: A unit for a turbocharger can include a turbine wheel portion that includes a turbine wheel material and a turbine wheel axis; a shaft portion that includes a shaft material and a shaft axis where the shaft material includes a molybdenum content less than 0.5 percent by weight; and a weld that includes a nail shape in cross-section where a head portion of the nail shape includes an axial dimension of approximately 1 mm or less and wherein a shank portion of the nail shape includes an axial dimension of approximately 0.4 mm or less.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: July 17, 2018
    Assignee: Honeywell International Inc.
    Inventors: Brent Zollinger, Maurizio Barbone, Didier Horlaville, Andrei Minculescu, Nicolas Vazeille
  • Patent number: 9995161
    Abstract: A turbocharger shaft is sealed with respect to the bore of the bearing housing at the turbine wheel end by one or more shaft seal rings. Conventionally these rings are seated in annular grooves provided in the shaft behind the turbine wheel. Problems can arise with this conventional shaft seal arrangement, particularly where the turbocharged engine has an engine brake valve located downstream of the turbine, and the back pressure in the exhaust line, and thus in the turbine wheel housing, can reach 7 bar. The inventive shaft seal design avoids grooves, and makes it possible to assemble a seal with ring seals with higher wear resistance and thus to maintain the seal's effectiveness over heavy use.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: June 12, 2018
    Assignee: BorgWarner Inc.
    Inventor: Allan Kelly
  • Patent number: 9995151
    Abstract: An article is disclosed including a manifold, an article wall having at least one external aperture, and a post-impingement cavity disposed between the manifold and the article wall. The manifold includes an impingement plate defining a plenum having a plenum surface, and at least one impingement aperture. The at least one impingement aperture interfaces with the plenum at an intake aperture having a flow modification structure, which, together with the at least one impingement aperture, defines an exhaust aperture. The manifold exhausts a fluid from the plenum into the intake aperture, through the at least one impingement aperture, out the exhaust aperture, into the post-impingement cavity, and through the at least one external aperture.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: June 12, 2018
    Assignee: General Electric Company
    Inventors: Ibrahim Sezer, Gary Michael Itzel, Jaime Javier Maldonado, Sandip Dutta